3069RF-ZTAT Datasheet, PDF(973/1003 Page) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

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3069RF-ZTAT Datasheet, PDF (973/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

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SSOE

Software standby

External bus release

Hardware

standby

Reset

R

Q

D

PB3DDR

C

WPBD

PB3

Mode 7

Reset

R

Q

D

PB3DR

C

Bus controller

RAS4 output enable

Area 4 DRAM connection

output enable

RAS4 output

CS4 output

CS4 output enable

TPC

TPC output enable

WPB

Next data

Output trigger

8-bit timer

Output enable

Compare match output

RPB

[Legend]

WPBD: Write to PBDDR

WPB: Write to port B

RPB: Read port B

SSOE: Software standby output port enable

Note: Area 4 DRAM connection output enable, RAS4 output enable,

and CS4 output enable are all fixed at 0 in mode 7.

TMIO3 input

DMAC

DREQ1 input

Figure C.11 (d) Port B Block Diagram (Pin PB3)

Rev. 5.0, 09/04, page 951 of 978

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